Chicago Burlington & Quincy Railroad 4-8-4 Class O-5-A diagram, last dated 3-20-53, 5X9 print scanned from Louis Zadnichek collection. This diagram applies to 4-8-4 locomotives built by the CB&Q at West Burlington, Iowa in 1930-1940 classed O-5-A (coal) and O-5-B (oil), road numbers 5621-5635. |